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36
HCD-GTX66/GTX77
HCD-GTX66/GTX77
6-6. BLOCK DIAGRAM — DISPLAY/POWER SECTION —
USB +5V
ND900
VACUUM
FLUORESCENT
DISPLAY
9, 10, 12 – 22,
64 – 66
G1,22,23
G2-21
MASTER
VOLUME
SPEANA
P1 – 36
VF1
VF2
D900
–VG
(–32V)
FUN CONTROL
X900
4MHz
75,76,78,79
LED DRIVE
Q906–911, 913–916
920,921
D906, 908, 910, 913, 917,
921, 929, 923, 925, 927
D905, 907, 909, 912, 914,
916, 922, 924, 926.955
LED+9V
Q903
Q902
Q901
Q900
D904
(R)
D930
(G)
S901 – 915,
917 –933
IIC-DATA
IIC-CLK
S934
S900
DISPLAY
RESET
X402
5MHz
X401
32.768kHz
SYSTEM CONTROL
IC401 (6/6)
D671
D402
D501,504
POWER
SWITCHING
LED DRIVE
Q904,905
RECT
D658
RECT
D656
+VL
VL(AC)
F1261
VL
VL
VH
VH
VP
VF
VF
GND
F1271
F1241
F1251
R1292
–VL
+VH
–VH
– 33V
REGULATOR
Q1264
POWER ON/OFF
RELAY DRIVE
Q1200
– VG
(-32V)
D1292
RECT
VF1
VF2
ND900
VACUUM
FRUORESCENT
DISPLAY
RY1200
AC IN
T1200
POWER
TRANSFORMER
RESET
SWITCH
Q501
EVER +4V
D+3.3V
BUFFER
Q917, 918, 919
ROTARY
ENCODER
ROTARY
ENCODER
OPERATION
DIAL
NO402
(FOR CHECK)
CN402
(3/3)
(FOR CHECK)
USB POWER
CONTROL
SWITCH
Q590,603
RECT
D540
M +9V
VM +7V
LED +9V
A +9V
ST +9V
OVER VOLTAGE
DETECT SWITCH
Q550
AC3
AC3
F1281
AUDIO +9V
BIAS +9V
UNREG
S1200
S1200
230 – 240V
|
220V
|
120V
VOLTAGE
SELECTOR
AR MODEL
E2,E51 MODEL
S936
S935
D592
D561,
562
D590,594
E2,E51
MODEL
D593
DVSS +3.3V
D +3.3V
AVDD +3.3V
DVDD +3.3V
USB POWER
CONTROL
SWITCH
Q604–606
CD POWER
CONTROL
SWITCH
Q560,561
• Abbreviatio
AR : Argentina model
E2 : 120V AC area in E model
E51 : Chilean and Peruvian model
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299